/*
 * Copyright (c) 2008, 2021, Oracle and/or its affiliates. All rights reserved.
 * ORACLE PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
 *
 *
 *
 *
 *
 *
 *
 *
 *
 *
 *
 *
 *
 *
 *
 *
 *
 *
 *
 *
 */

package sun.nio.cs;

import java.nio.charset.Charset;
import java.nio.charset.CharsetDecoder;
import java.nio.charset.CharsetEncoder;
import sun.nio.cs.StandardCharsets;
import sun.nio.cs.SingleByte;
import sun.nio.cs.HistoricallyNamedCharset;
import static sun.nio.cs.CharsetMapping.*;

public class IBM855 extends Charset implements HistoricallyNamedCharset
{
    public IBM855() {
        super("IBM855", StandardCharsets.aliases_IBM855());
    }

    public String historicalName() {
        return "Cp855";
    }

    public boolean contains(Charset cs) {
        return (cs instanceof IBM855);
    }

    public CharsetDecoder newDecoder() {
        return new SingleByte.Decoder(this, Holder.b2c, false, false);
    }

    public CharsetEncoder newEncoder() {
        return new SingleByte.Encoder(this, Holder.c2b, Holder.c2bIndex, false);
    }

    private static class Holder {
        private static final String b2cTable = 
        "\u0452\u0402\u0453\u0403\u0451\u0401\u0454\u0404" +      // 0x80 - 0x87
        "\u0455\u0405\u0456\u0406\u0457\u0407\u0458\u0408" +      // 0x88 - 0x8f
        "\u0459\u0409\u045A\u040A\u045B\u040B\u045C\u040C" +      // 0x90 - 0x97
        "\u045E\u040E\u045F\u040F\u044E\u042E\u044A\u042A" +      // 0x98 - 0x9f
        "\u0430\u0410\u0431\u0411\u0446\u0426\u0434\u0414" +      // 0xa0 - 0xa7
        "\u0435\u0415\u0444\u0424\u0433\u0413\u00AB\u00BB" +      // 0xa8 - 0xaf
        "\u2591\u2592\u2593\u2502\u2524\u0445\u0425\u0438" +      // 0xb0 - 0xb7
        "\u0418\u2563\u2551\u2557\u255D\u0439\u0419\u2510" +      // 0xb8 - 0xbf
        "\u2514\u2534\u252C\u251C\u2500\u253C\u043A\u041A" +      // 0xc0 - 0xc7
        "\u255A\u2554\u2569\u2566\u2560\u2550\u256C\u00A4" +      // 0xc8 - 0xcf
        "\u043B\u041B\u043C\u041C\u043D\u041D\u043E\u041E" +      // 0xd0 - 0xd7
        "\u043F\u2518\u250C\u2588\u2584\u041F\u044F\u2580" +      // 0xd8 - 0xdf
        "\u042F\u0440\u0420\u0441\u0421\u0442\u0422\u0443" +      // 0xe0 - 0xe7
        "\u0423\u0436\u0416\u0432\u0412\u044C\u042C\u2116" +      // 0xe8 - 0xef
        "\u00AD\u044B\u042B\u0437\u0417\u0448\u0428\u044D" +      // 0xf0 - 0xf7
        "\u042D\u0449\u0429\u0447\u0427\u00A7\u25A0\u00A0" +      // 0xf8 - 0xff
        "\u0000\u0001\u0002\u0003\u0004\u0005\u0006\u0007" +      // 0x00 - 0x07
        "\b\t\n\u000B\f\r\u000E\u000F" +      // 0x08 - 0x0f
        "\u0010\u0011\u0012\u0013\u0014\u0015\u0016\u0017" +      // 0x10 - 0x17
        "\u0018\u0019\u001A\u001B\u001C\u001D\u001E\u001F" +      // 0x18 - 0x1f
        "\u0020\u0021\"\u0023\u0024\u0025\u0026\'" +      // 0x20 - 0x27
        "\u0028\u0029\u002A\u002B\u002C\u002D\u002E\u002F" +      // 0x28 - 0x2f
        "\u0030\u0031\u0032\u0033\u0034\u0035\u0036\u0037" +      // 0x30 - 0x37
        "\u0038\u0039\u003A\u003B\u003C\u003D\u003E\u003F" +      // 0x38 - 0x3f
        "\u0040\u0041\u0042\u0043\u0044\u0045\u0046\u0047" +      // 0x40 - 0x47
        "\u0048\u0049\u004A\u004B\u004C\u004D\u004E\u004F" +      // 0x48 - 0x4f
        "\u0050\u0051\u0052\u0053\u0054\u0055\u0056\u0057" +      // 0x50 - 0x57
        "\u0058\u0059\u005A\u005B\\\u005D\u005E\u005F" +      // 0x58 - 0x5f
        "\u0060\u0061\u0062\u0063\u0064\u0065\u0066\u0067" +      // 0x60 - 0x67
        "\u0068\u0069\u006A\u006B\u006C\u006D\u006E\u006F" +      // 0x68 - 0x6f
        "\u0070\u0071\u0072\u0073\u0074\u0075\u0076\u0077" +      // 0x70 - 0x77
        "\u0078\u0079\u007A\u007B\u007C\u007D\u007E\u007F" ;      // 0x78 - 0x7f


        private static final char[] b2c = b2cTable.toCharArray();
        private static final char[] c2b = new char[0x400];
        private static final char[] c2bIndex = new char[0x100];

        static {
            char[] b2cMap = b2c;
            char[] c2bNR = null;
            SingleByte.initC2B(b2cMap, c2bNR, c2b, c2bIndex);
        }
    }
}
